-96.82% is the change from 849 to 27
Calculation steps:
[( 27 - 849 ) ÷ 849] x 100 = -96.82%
Formula
Percentage change = [(27 - 849) / 849] x 100
Subtract the new number by the original number
27 - 849 = -822
-822 ÷ 849 = -0.9681978798586572
-0.9681978798586572 x 100 = -96.82%